Music and memories with songwriter and performer Dan Hicks; a trip to the Tohono O'odham Nation to learn how recycling can also be redemption; author Johanna Skibsrud discusses her novel "Quartet for the End of Time".

Volunteers unite to help students in danger of dropping out; how the ecological war against buffelgrass is waged; restoring the legend of Vaudeville-era entertainer Sophie Tucker; a look back at the films of Sir Alec Guinness.